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Posted to commits@harmony.apache.org by "Ilya Leviev (JIRA)" <ji...@apache.org> on 2007/06/14 15:22:26 UTC
[jira] Created: (HARMONY-4169) [drlvm][gc_gen][tc] Race condition
at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset()
functions
[drlvm][gc_gen][tc] Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
------------------------------------------------------------------------------------------------------------------------
Key: HARMONY-4169
URL: https://issues.apache.org/jira/browse/HARMONY-4169
Project: Harmony
Issue Type: Bug
Components: DRLVM
Reporter: Ilya Leviev
Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
TC report on thread unsafe access that result in race condition that occur during concurrent execution of thread_local_alloc() and alloc_context_reset() functions
if it not affect correctness of execution I will mark it by special API for prevention of further alarms on this race.
Read -> Write data-race
Memory write at "gc_thread.h":153 conflicts with a prior memory read at "gc_thread.h":92
Stack Trace:
Context
Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
Function Opcode_INVOKESTATIC "interpreter.cpp":2104
Function interpreterInvokeStatic "interpreter.cpp":3312
Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
Function invokeJNI "interp_native_ia32.cpp":49
Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
Function gc_force_gc "gc_for_vm.cpp":138
Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
Function void alloc_context_reset(struct Allocator *) "gc_thread.h":142
Definition
Function hythread_create_with_group "thread_native_basic.c":136
Function os_thread_create "os_thread.c":37
Function _beginthreadex "threadex.c":145
Function EntryPoint "dllcrt0.c":323
Function threadstartex "threadex.c":241
Function thread_start_proc "thread_native_basic.c":711
Function wrapper_proc "thread_java_basic.c":82
Function vm_attach "thread_generic.cpp":266
Function gc_thread_init "gc_for_vm.cpp":152
Function void mutator_initialize(struct GC *,void *) "mutator.cpp":30
1st Access
Function Opcode_INVOKEVIRTUAL "interpreter.cpp":2060
Function interpreterInvokeVirtual "interpreter.cpp":3509
Function interpreterInvoke "interpreter.cpp":3427
Function void interpreter(struct StackFrame &) "interpreter.cpp":2841
Function Opcode_NEWARRAY "interpreter.cpp":1090
Function void * vm_new_vector_primitive(struct Class *,int) "vm_arrays.cpp":138
Function gc_alloc "mutator_alloc.cpp":79
Function void * nos_alloc(unsigned int,struct Allocator *) "gen.cpp":274
Function void * fspace_alloc(unsigned int,struct Allocator *) "fspace_alloc.cpp":55
Function struct Partial_Reveal_Object * thread_local_alloc(unsigned int,struct Allocator *) "gc_thread.h":92
"91" "" " POINTER_SIZE_INT free = (POINTER_SIZE_INT)allocator->free;"
"92" "*" " POINTER_SIZE_INT ceiling = (POINTER_SIZE_INT)allocator->ceiling;"
2nd Access
Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
Function Opcode_INVOKESTATIC "interpreter.cpp":2104
Function interpreterInvokeStatic "interpreter.cpp":3312
Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
Function invokeJNI "interp_native_ia32.cpp":49
Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
Function gc_force_gc "gc_for_vm.cpp":138
Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
Function void alloc_context_reset(struct Allocator *) "gc_thread.h":153
"152" "" " allocator->free = NULL;"
"153" "*" " allocator->ceiling = NULL;"
"154" "" " allocator->end = NULL;"
See also Source View screenshots.
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[jira] Assigned: (HARMONY-4169) [drlvm][gc_gen][tc] Race condition
at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset()
functions
Posted by "Xiao-Feng Li (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao-Feng Li reassigned HARMONY-4169:
-------------------------------------
Assignee: Xiao-Feng Li
> [drlvm][gc_gen][tc] Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-4169
> URL: https://issues.apache.org/jira/browse/HARMONY-4169
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Ilya Leviev
> Assignee: Xiao-Feng Li
> Priority: Minor
> Attachments: Source ViewScreenshot-1.jpg
>
>
> Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> TC report on thread unsafe access that result in race condition that occur during concurrent execution of thread_local_alloc() and alloc_context_reset() functions
> if it not affect correctness of execution I will mark it by special API for prevention of further alarms on this race.
> Read -> Write data-race
> Memory write at "gc_thread.h":153 conflicts with a prior memory read at "gc_thread.h":92
> Stack Trace:
> Context
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":142
> Definition
> Function hythread_create_with_group "thread_native_basic.c":136
> Function os_thread_create "os_thread.c":37
> Function _beginthreadex "threadex.c":145
> Function EntryPoint "dllcrt0.c":323
> Function threadstartex "threadex.c":241
> Function thread_start_proc "thread_native_basic.c":711
> Function wrapper_proc "thread_java_basic.c":82
> Function vm_attach "thread_generic.cpp":266
> Function gc_thread_init "gc_for_vm.cpp":152
> Function void mutator_initialize(struct GC *,void *) "mutator.cpp":30
> 1st Access
> Function Opcode_INVOKEVIRTUAL "interpreter.cpp":2060
> Function interpreterInvokeVirtual "interpreter.cpp":3509
> Function interpreterInvoke "interpreter.cpp":3427
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2841
> Function Opcode_NEWARRAY "interpreter.cpp":1090
> Function void * vm_new_vector_primitive(struct Class *,int) "vm_arrays.cpp":138
> Function gc_alloc "mutator_alloc.cpp":79
> Function void * nos_alloc(unsigned int,struct Allocator *) "gen.cpp":274
> Function void * fspace_alloc(unsigned int,struct Allocator *) "fspace_alloc.cpp":55
> Function struct Partial_Reveal_Object * thread_local_alloc(unsigned int,struct Allocator *) "gc_thread.h":92
> "91" "" " POINTER_SIZE_INT free = (POINTER_SIZE_INT)allocator->free;"
> "92" "*" " POINTER_SIZE_INT ceiling = (POINTER_SIZE_INT)allocator->ceiling;"
> 2nd Access
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":153
> "152" "" " allocator->free = NULL;"
> "153" "*" " allocator->ceiling = NULL;"
> "154" "" " allocator->end = NULL;"
> See also Source View screenshots.
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[jira] Updated: (HARMONY-4169) [drlvm][gc_gen][tc] Race condition
at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset()
functions
Posted by "Ilya Leviev (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ilya Leviev updated HARMONY-4169:
---------------------------------
Priority: Minor (was: Major)
> [drlvm][gc_gen][tc] Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-4169
> URL: https://issues.apache.org/jira/browse/HARMONY-4169
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Ilya Leviev
> Priority: Minor
> Attachments: Source ViewScreenshot-1.jpg
>
>
> Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> TC report on thread unsafe access that result in race condition that occur during concurrent execution of thread_local_alloc() and alloc_context_reset() functions
> if it not affect correctness of execution I will mark it by special API for prevention of further alarms on this race.
> Read -> Write data-race
> Memory write at "gc_thread.h":153 conflicts with a prior memory read at "gc_thread.h":92
> Stack Trace:
> Context
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":142
> Definition
> Function hythread_create_with_group "thread_native_basic.c":136
> Function os_thread_create "os_thread.c":37
> Function _beginthreadex "threadex.c":145
> Function EntryPoint "dllcrt0.c":323
> Function threadstartex "threadex.c":241
> Function thread_start_proc "thread_native_basic.c":711
> Function wrapper_proc "thread_java_basic.c":82
> Function vm_attach "thread_generic.cpp":266
> Function gc_thread_init "gc_for_vm.cpp":152
> Function void mutator_initialize(struct GC *,void *) "mutator.cpp":30
> 1st Access
> Function Opcode_INVOKEVIRTUAL "interpreter.cpp":2060
> Function interpreterInvokeVirtual "interpreter.cpp":3509
> Function interpreterInvoke "interpreter.cpp":3427
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2841
> Function Opcode_NEWARRAY "interpreter.cpp":1090
> Function void * vm_new_vector_primitive(struct Class *,int) "vm_arrays.cpp":138
> Function gc_alloc "mutator_alloc.cpp":79
> Function void * nos_alloc(unsigned int,struct Allocator *) "gen.cpp":274
> Function void * fspace_alloc(unsigned int,struct Allocator *) "fspace_alloc.cpp":55
> Function struct Partial_Reveal_Object * thread_local_alloc(unsigned int,struct Allocator *) "gc_thread.h":92
> "91" "" " POINTER_SIZE_INT free = (POINTER_SIZE_INT)allocator->free;"
> "92" "*" " POINTER_SIZE_INT ceiling = (POINTER_SIZE_INT)allocator->ceiling;"
> 2nd Access
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":153
> "152" "" " allocator->free = NULL;"
> "153" "*" " allocator->ceiling = NULL;"
> "154" "" " allocator->end = NULL;"
> See also Source View screenshots.
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[jira] Closed: (HARMONY-4169) [drlvm][gc_gen][tc] Race condition at
"gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset()
functions
Posted by "Xiao-Feng Li (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao-Feng Li closed HARMONY-4169.
---------------------------------
Resolution: Won't Fix
There are just too many false alarms in GC module reported by Thread Checker. GC is design to be parallel (and concurrent) with many parallel constructs that TC can't recognize. So I will close these issues, and suggest to exclude GC module from TC sanity check temporarily. Actually I am afraid that, finally the major part of GC would be marked UNSAFE, which is virtually the same as excluding it. Thanks.
> [drlvm][gc_gen][tc] Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-4169
> URL: https://issues.apache.org/jira/browse/HARMONY-4169
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Ilya Leviev
> Assignee: Xiao-Feng Li
> Priority: Minor
> Attachments: Source ViewScreenshot-1.jpg
>
>
> Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> TC report on thread unsafe access that result in race condition that occur during concurrent execution of thread_local_alloc() and alloc_context_reset() functions
> if it not affect correctness of execution I will mark it by special API for prevention of further alarms on this race.
> Read -> Write data-race
> Memory write at "gc_thread.h":153 conflicts with a prior memory read at "gc_thread.h":92
> Stack Trace:
> Context
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":142
> Definition
> Function hythread_create_with_group "thread_native_basic.c":136
> Function os_thread_create "os_thread.c":37
> Function _beginthreadex "threadex.c":145
> Function EntryPoint "dllcrt0.c":323
> Function threadstartex "threadex.c":241
> Function thread_start_proc "thread_native_basic.c":711
> Function wrapper_proc "thread_java_basic.c":82
> Function vm_attach "thread_generic.cpp":266
> Function gc_thread_init "gc_for_vm.cpp":152
> Function void mutator_initialize(struct GC *,void *) "mutator.cpp":30
> 1st Access
> Function Opcode_INVOKEVIRTUAL "interpreter.cpp":2060
> Function interpreterInvokeVirtual "interpreter.cpp":3509
> Function interpreterInvoke "interpreter.cpp":3427
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2841
> Function Opcode_NEWARRAY "interpreter.cpp":1090
> Function void * vm_new_vector_primitive(struct Class *,int) "vm_arrays.cpp":138
> Function gc_alloc "mutator_alloc.cpp":79
> Function void * nos_alloc(unsigned int,struct Allocator *) "gen.cpp":274
> Function void * fspace_alloc(unsigned int,struct Allocator *) "fspace_alloc.cpp":55
> Function struct Partial_Reveal_Object * thread_local_alloc(unsigned int,struct Allocator *) "gc_thread.h":92
> "91" "" " POINTER_SIZE_INT free = (POINTER_SIZE_INT)allocator->free;"
> "92" "*" " POINTER_SIZE_INT ceiling = (POINTER_SIZE_INT)allocator->ceiling;"
> 2nd Access
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":153
> "152" "" " allocator->free = NULL;"
> "153" "*" " allocator->ceiling = NULL;"
> "154" "" " allocator->end = NULL;"
> See also Source View screenshots.
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[jira] Updated: (HARMONY-4169) [drlvm][gc_gen][tc] Race condition
at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset()
functions
Posted by "Ilya Leviev (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ilya Leviev updated HARMONY-4169:
---------------------------------
Attachment: Source ViewScreenshot-1.jpg
> [drlvm][gc_gen][tc] Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-4169
> URL: https://issues.apache.org/jira/browse/HARMONY-4169
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Ilya Leviev
> Attachments: Source ViewScreenshot-1.jpg
>
>
> Race condition at "gc_thread.h":(92-153) at thread_local_alloc() and alloc_context_reset() functions
> TC report on thread unsafe access that result in race condition that occur during concurrent execution of thread_local_alloc() and alloc_context_reset() functions
> if it not affect correctness of execution I will mark it by special API for prevention of further alarms on this race.
> Read -> Write data-race
> Memory write at "gc_thread.h":153 conflicts with a prior memory read at "gc_thread.h":92
> Stack Trace:
> Context
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":142
> Definition
> Function hythread_create_with_group "thread_native_basic.c":136
> Function os_thread_create "os_thread.c":37
> Function _beginthreadex "threadex.c":145
> Function EntryPoint "dllcrt0.c":323
> Function threadstartex "threadex.c":241
> Function thread_start_proc "thread_native_basic.c":711
> Function wrapper_proc "thread_java_basic.c":82
> Function vm_attach "thread_generic.cpp":266
> Function gc_thread_init "gc_for_vm.cpp":152
> Function void mutator_initialize(struct GC *,void *) "mutator.cpp":30
> 1st Access
> Function Opcode_INVOKEVIRTUAL "interpreter.cpp":2060
> Function interpreterInvokeVirtual "interpreter.cpp":3509
> Function interpreterInvoke "interpreter.cpp":3427
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2841
> Function Opcode_NEWARRAY "interpreter.cpp":1090
> Function void * vm_new_vector_primitive(struct Class *,int) "vm_arrays.cpp":138
> Function gc_alloc "mutator_alloc.cpp":79
> Function void * nos_alloc(unsigned int,struct Allocator *) "gen.cpp":274
> Function void * fspace_alloc(unsigned int,struct Allocator *) "fspace_alloc.cpp":55
> Function struct Partial_Reveal_Object * thread_local_alloc(unsigned int,struct Allocator *) "gc_thread.h":92
> "91" "" " POINTER_SIZE_INT free = (POINTER_SIZE_INT)allocator->free;"
> "92" "*" " POINTER_SIZE_INT ceiling = (POINTER_SIZE_INT)allocator->ceiling;"
> 2nd Access
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2931
> Function Opcode_INVOKESTATIC "interpreter.cpp":2104
> Function interpreterInvokeStatic "interpreter.cpp":3312
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":358
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMMemoryManager_runGC "java_lang_vmmemorymanager.cpp":138
> Function gc_force_gc "gc_for_vm.cpp":138
> Function void gc_reclaim_heap(struct GC *,unsigned int) "gc_common.cpp":300
> Function void gc_reset_mutator_context(struct GC *) "mutator.cpp":102
> Function void alloc_context_reset(struct Allocator *) "gc_thread.h":153
> "152" "" " allocator->free = NULL;"
> "153" "*" " allocator->ceiling = NULL;"
> "154" "" " allocator->end = NULL;"
> See also Source View screenshots.
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